August is the cheapest month to fly this route, with average fares around $200 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $212 | $198 | Peak | |
| June 2026 | $206 | $190 | ||
| July 2026 | $207 | $190 | ||
| August 2026 | $200 | $190 | Best |
Departing on Tuesday offers the lowest average fares at $191. Sunday departures are the most expensive at $220, a difference of $29.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Philadelphia to Atlanta is August, with average round-trip fares around $200. The lowest fare found in August is $190.
Tuesday departures are the cheapest, averaging $191 round trip. The most expensive day is Sunday at $220.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $212 compared to $200 in the cheapest month. July is a solid middle-ground option at $207.
Flying in August instead of May can save you approximately $12 per round trip. The cheapest month averages $200 while the most expensive averages $212.
Airlines, flight times, price calendar, and more for Philadelphia to Atlanta
View PHL → ATL Details